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浙江大学学报(工学版)
浙江大学学报(工学版)
机械工程     
基于GA-FEA的门座起重机变幅机构优化设计
赵琼1,童水光2,钟崴2,葛俊旭3
1.浙江大学 化工机械研究所,浙江 杭州 310027; 2.浙江大学 热工与动力系统研究所,浙江 杭州 310027; 3.浙江大学 机械工程学系,浙江 杭州 310027
Optimal design of luffing mechanism of portal crane based on genetic algorithm and finite element analysis
ZHAO Qiong1, TONG Shui-guang2, ZHONG Wei2, GE Jun-xu3
1.Institute of Chemical Machinery, Zhejiang University, Hangzhou 310027, China; 2.Institute of Thermal Engineering and Power System, Zhejiang University, Hangzhou 310027, China; 3.Department of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China
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摘要：

为降低门座起重机的制造成本和运行成本,对四连杆变幅机构进行优化设计,建立以关键参数作为设计变量的优化设计模型.提出采用遗传算法和有限元分析联合求解的门座起重机四连杆变幅机构的优化设计方法,能够在保证门座起重机主要技术参数的同时，实现降低自身重量、减小不平衡力矩以及吊重水平变幅过程中垂直落差的优化目标.开发的门座起重机四连杆变幅机构专用的参数化有限元模型自动生成器,通过有限元解算提取的性能约束状况，并结合边界约束条件对各优化目标进行加权评价.应用结果表明：该方法适用于门座起重机四连杆变幅机构的优化设计,能够有效地改善设计质量.
Abstract:

 Four-bar luffing mechanism was optimized to reduce manufacturing cost and operating cost of portal crane. An optimal design model with key parameters as design variables was established, And an optimization method based on genetic algorithm and finite element analysis was proposed, to minimize the weight, the unbalanced moment and the vertical drop of the cargo during the luffing process, while accomplish the technical parameters of portal crane. The parameterized finite element model generator was developed for four-bar luffing mechanism of portal crane. The performance constraint conditions obtained from finite element solver and the boundary constraint conditions were used to evaluate the optimal targets. The results indicate that the model and method is suitable for the structure and performance optimal design of the four-bar luffing mechanism of portal crane, and can improve the design quality effectively.
出版日期: 2015-12-26
:  TH 213.4  
基金资助:

上海市“创新行动计划”产学研联盟专项资助项目(07DZBZ11309)
通讯作者: 钟崴,男,副教授     E-mail: wzhong@zju.edu.cn
作者简介: 赵琼(1983-),男,博士生,从事CAD/CAE及其自动化方向研究.E-mail:slightblue@zju.edu.cn
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引用本文:

赵琼,童水光,钟崴,葛俊旭. 基于GA-FEA的门座起重机变幅机构优化设计[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2015.05.010.

ZHAO Qiong, TONG Shui-guang, ZHONG Wei, GE Jun-xu. Optimal design of luffing mechanism of portal crane based on genetic algorithm and finite element analysis. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2015.05.010.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2015.05.010    或    http://www.zjujournals.com/eng/CN/Y2015/V49/I5/880

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